One bit from Shirobako has an after work celebration for completing the series PV. They go to a restaurant to enjoy flowing noodles. I have never seen this in an anime before.

A little noodling, I mean googleing, shows it involves somen noodles, a type I haven't noticed before. And when they go sliding down a bamboo pipe filled with water it's called Nagashi-sōmen. Catch it as it goes by & you can eat it. And Bandai even makes a wacky table top set up for noodle catching at home

Well it just looks fun to me. Has anyone done this? Has anyone noticed this at any sushi or noodle shop (like Lulu's?) Something new & fun for our group if it is possible.